655260173 has 2 divisors, whose sum is σ = 655260174. Its totient is φ = 655260172.

The previous prime is 655260169. The next prime is 655260211. The reversal of 655260173 is 371062556.

655260173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449567209 + 205692964 = 21203^2 + 14342^2 .

It is a cyclic number.

It is not a de Polignac number, because 655260173 - 2² = 655260169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655260103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327630086 + 327630087.

It is an arithmetic number, because the mean of its divisors is an integer number (327630087).

Almost surely, 2^655260173 is an apocalyptic number.

It is an amenable number.

655260173 is a deficient number, since it is larger than the sum of its proper divisors (1).

655260173 is an equidigital number, since it uses as much as digits as its factorization.

655260173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 655260173 is about 25598.0501796524. The cubic root of 655260173 is about 868.5695315280.

The spelling of 655260173 in words is "six hundred fifty-five million, two hundred sixty thousand, one hundred seventy-three".